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Add optimize ONNX model node #2408

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Dec 15, 2023
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Add optimize ONNX model node #2408

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29 changes: 29 additions & 0 deletions backend/src/packages/chaiNNer_onnx/onnx/utility/optimize_model.py
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Original file line number Diff line number Diff line change
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from __future__ import annotations

import onnx

from nodes.impl.onnx.model import OnnxModel, load_onnx_model
from nodes.impl.onnx.utils import safely_optimize_onnx_model
from nodes.properties.inputs import OnnxModelInput
from nodes.properties.outputs import OnnxModelOutput

from .. import utility_group


@utility_group.register(
schema_id="chainner:onnx:optimize_model",
name="Optimize Model",
description="Optimize the give model. Optimizations may or may not improve performance.",
icon="MdSpeed",
inputs=[
OnnxModelInput(),
],
outputs=[
OnnxModelOutput(),
],
)
def optimize_model_node(model: OnnxModel) -> OnnxModel:
model_proto = onnx.load_from_string(model.bytes)
model_proto = safely_optimize_onnx_model(model_proto)
model_bytes = model_proto.SerializeToString()
return load_onnx_model(model_bytes)